The recent heatwave is likely to have made many of us overjoyed at first, giving us plenty of opportunity to get out into the sun with friends and family.
But you might have noticed that you've been more exhausted than usual - and the heat may have something to do with this.
Spending long periods of time outdoors when the weather is hot can leave us feeling physically drained, understanding more and more why those in warm Mediterranean countries like to go for a daytime siesta to recharge.